rp-pppoe: Add back from oldpackages with build fixes and enhanced packaging

Add back from oldpackages with fixes for build errors and UCIfication
(for LuCI app submitted in a related PR (against LuCI repo)).

NOTE: Untested packages have been marked with @BROKEN.  This can
be undone of others report success with the sniffer

Signed-off-by: Daniel Dickinson <lede@daniel.thecshore.com>

net/rp-pppoe/files/pppoe-server.init

@@ -0,0 +1,74 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2006-2011 OpenWrt.org
+
+START=50
+USE_PROCD=1
+
+pppoe_triggers() {
+	local cfg="$1"
+	local interface
+	config_get interface "$cfg" interface
+}
+
+pppoe_instance() {
+	local cfg="$1"
+	local interface ac_name service_names service_name maxsessionsperpeer localip firstremoteip maxsessions optionsfiles randomsession unit offset timeout mss sync OPTIONS
+	config_get interface "$cfg" interface
+	config_get ac_name "$cfg" ac_name
+	config_get service_names "$cfg" service_name
+	config_get maxsessionsperpeer "$cfg" maxsesssionsperpeer
+	config_get localip "$cfg" localip
+	config_get firstremoteip "$cfg" firstremoteip
+	config_get maxsessions "$cfg" maxsessions
+	config_get optionsfile "$cfg" optionsfile
+	config_get_bool randomsession "$cfg" randomsession 1
+	config_get_bool unit "$cfg" unit 0
+	config_get offset "$cfg" offset
+	config_get timeout "$cfg" timeout
+	config_get mss "$cfg" mss
+	config_get_bool sync "$cfg" sync 0
+	config_get use_non_uci_config "$cfg" use_non_uci_config 0
+
+	if [ "$use_non_uci_config" -gt 0 ]; then
+	    . /etc/default/pppoe-server
+        else
+	    [ -z "$interface" ] && return 1
+	    [ -n "$ac_name" ] && append OPTIONS "-C $ac_name"
+	    for service_name in $service_names; do
+		append OPTIONS "-S $service_name"
+	    done
+	    append OPTIONS "-I $interface"
+	    [ -n "$maxsesssionsperpeer" ] && append OPTIONS "-x $maxsesssionsperpeer"
+	    [ -n "$localip" ] && append OPTIONS "-L $localip"
+	    [ -n "$firstremoteip" ] && append OPTIONS "-R $firstremoteip"
+	    [ -n "maxsessions" ] && append OPTIONS "-N $maxsessions"
+	    [ -n "optionsfile" ] && append OPTIONS "-O $optionsfile"
+	    [ "$randomsession" = "1" ] && append OPTIONS "-r"
+	    [ "$unit" = "1" ] && append OPTIONS "-u"
+	    [ -n "$offset" ] && append OPTIONS "-o $offset"
+	    [ -n "$timeout" ] && append OPTIONS "-T $timeout"
+	    [ -n "$mss" ] && append OPTIONS "-m $mss"
+	    [ "$sync" = "1" ] && append OPTIONS "-s"
+	fi
+
+	procd_open_instance
+	procd_set_param command /usr/sbin/pppoe-server -F
+	procd_append_param command $OPTIONS
+	procd_set_param file /etc/ppp/options
+	procd_append_param file /etc/ppp/pppoe-server-options
+	procd_close_instance
+}
+
+start_service() {
+	config_load pppoe
+	config_foreach pppoe_instance pppoe_server
+}
+
+service_triggers() {
+	local interface
+	config_load pppoe
+	config_foreach pppoe_triggers pppoe_server
+
+	procd_add_reload_trigger "pppoe"
+	procd_add_interface_trigger "$interface"
+}